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https://issues.apache.org/jira/browse/HBASE-23202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17129931#comment-17129931
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Hudson commented on HBASE-23202:
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Results for branch branch-2
[build #2699 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2699/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2699/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2699/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
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report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/2699/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> ExportSnapshot (import) will fail if copying files to root directory takes
> longer than cleaner TTL
> --------------------------------------------------------------------------------------------------
>
> Key: HBASE-23202
> URL: https://issues.apache.org/jira/browse/HBASE-23202
> Project: HBase
> Issue Type: Bug
> Components: snapshots
> Affects Versions: 3.0.0-alpha-1, 1.5.0, 2.2.1, 1.4.11, 2.1.7
> Reporter: Zach York
> Assignee: Guangxu Cheng
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.3.0
>
>
> HBASE-17330 removed the checking of the snapshot .tmp directory when
> determining which files are candidates for deletes. It appears that in the
> latest branches, this isn't an issue for taking a snapshot as it checks
> whether a snapshot is in progress via the SnapshotManager.
> However, when using the ExportSnapshot tool to import a snapshot into a
> cluster, it will first copy the snapshot manifest into
> /.snapshot/.tmp/<snapshot> [1], copies the files, and then renames the
> snapshot manifest to the final snapshot directory. If the copyFiles job takes
> longer than the cleaner TTL, the ExportSnapshot job will fail because HFiles
> will get deleted before the snapshot is committed to the final directory.
> The ExportSnapshot tool already has a functionality to skipTmp and write the
> manifest directly to the final location. However, this has unintended
> consequences such as the snapshot appearing to the user before it is usable.
> So it looks like we will have to bring back the tmp directory check to avoid
> this situation.
> [1]
> https://github.com/apache/hbase/blob/master/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/snapshot/ExportSnapshot.java#L1029
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